RADR 1313 Ch. 7 Scatter Control

Primarily result of Compton Interactions (incoming x-ray photon loses energy and changes direction)

• Scatter Radiation

• Photoelectric Effect

• Increased Spatial Resolution

• Decreased Absorption

Higher kVp ________ x-ray transmission and ______ its overall absorption is an example of ______.

• Increases; reduces; Photoelectric Effect

• Increases; Increases; Photoelectric Effect

• Decreases; Increases; Photoelectric Effect

• Reduces; increases; Photoelectric Effect

Higher kVp ______ percentage of Compton Interactions and Energy of ________ exiting the patient.

• Increases; Scatter Radiation

• Increases; Electrons

• Decreases; Scatter Radiation

• Decreases; Electrons

Increasing the Volume of Irradiated Tissue results in ______.

• Increased Scatter Production

• Decreased Absorption

• Decreased Brightness

• Decreased Scatter Production

Volume of Irradiated Tissue Depends on ______ and _____ (Choose 2)

• Thickness of the part

• X-ray Beam Field Size

• Scatter Radiation

• Primary Beam

Examinations using ________ kVp results in Greater proportion of _____ Energy Scattered X-Rays.

• Higher; Greater

• Higher; Lower

• Lower; Greater

• Lower; Lower

Lower kVp results in _____ proportion of Higher-Energy Scatter Radiation

• Lower

• Greater

• Similar

• Equal

Larger X-Ray Beam Field Size results in ______ amount of Radiation

• Lower

• Greater

• Similar

• Equal

Main purpose of Beam Restrictors (Choose 2)

• Limiting pt dose

• Reducing the amount of Scatter Radiation

• Visualizing Anatomy of Interest with light field

• Shielding

Any time the x-ray field stays within the anatomy of interest, the pt receives unnecessary dose.

• True

• False